fieldmappingcfg.java

银行8583报文分析源码,供考参.程序输出XML再交给采集程序入数据库

package com.sunyard.dataanalyze;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;

public class FieldMappingCfg {
	private static Map fieldMap = new HashMap();
	
	public static void loadCfg(){
		URL xmlFileName = FieldMappingCfg.class.getResource("/fieldmap.xml");
		String filePath = xmlFileName.getPath();
		//String filePath = System.getProperty("user.dir")+"/fieldmap.xml";
		SAXBuilder builder = new SAXBuilder();
        Document doc;
        try{
			doc = builder.build(new File(filePath));
		    Element root = doc.getRootElement();
		    List sonNodes = root.getChildren();
		    Iterator it = sonNodes.iterator();
		    while(it.hasNext()){
		    	Element element = (Element)it.next();
		    	Map tmpFieldMap = new HashMap();
		    	String tmpTradeNo = element.getAttributeValue("value");
		    	List tmpChildren = element.getChildren();
		    	for(int i=0; i<tmpChildren.size(); i++){
		    		Element child = (Element)tmpChildren.get(i);
		    		String dbField = child.getAttributeValue("dbfield").toUpperCase();
		    		String pkFiled = child.getAttributeValue("name").toUpperCase();
		    		if(PackageConstants.getFieldTypeMap().containsKey(dbField))
		    			tmpFieldMap.put(pkFiled, dbField);
		    	}
		    	fieldMap.put(tmpTradeNo, tmpFieldMap);
		    }
        }catch(FileNotFoundException e){
        	e.printStackTrace();
        }catch(JDOMException e){
        	e.fillInStackTrace();
        }catch(IOException e){
        	e.printStackTrace();
        }
	}
	
	public static Map getFieldMap(){
		if(fieldMap.size() == 0)
			loadCfg();
		return fieldMap;
	}
	public static void main(String[] args) {
		FieldMappingCfg cfg = new FieldMappingCfg();
		cfg.loadCfg();
		HashMap hm = (HashMap)fieldMap.get("210110");
		System.out.println(hm.size());
	}

}